// common.c
/**
 ******************************************************************************
 * @file    IAP/src/common.c
 * @author  FMSH AS Embedded Software Team
 * @version V1.0.0
 * @date    7/14/20121
 * @brief   This file provides all the common functions.

#include "common.h"
#include "bsp.h"
/* Private variables ---------------------------------------------------------*/
pFunction Jump_To_Application;
// uint8_t recv_flag = 0;
// uint8_t recv_data = 0;
uint32_t JumpAddress;
uint32_t BlockNbr = 0, UserMemoryMask = 0;
__IO uint32_t FlashProtection = 0;
extern uint32_t FlashDestination;

/**
 * @brief  Convert an Integer to a string
 * @param  str: The string
 * @param  intnum: The intger to be converted
 * @retval None
 */
void Int2Str(uint8_t *str, int32_t intnum)
{
    uint32_t i, Div = 1000000000, j = 0, Status = 0;

    for (i = 0; i < 10; i++)
    {
        str[j++] = (intnum / Div) + '0';

        intnum = intnum % Div;
        Div /= 10;
        if ((str[j - 1] == '0') & (Status == 0))
        {
            j = 0;
        }
        else
        {
            Status++;
        }
    }
}

/**
 * @brief  Convert a string to an integer
 * @param  inputstr: The string to be converted
 * @param  intnum: The intger value
 * @retval 1: Correct
 *         0: Error
 */
uint32_t Str2Int(uint8_t *inputstr, int32_t *intnum)
{
    uint32_t i = 0, res = 0;
    uint32_t val = 0;

    if (inputstr[0] == '0' && (inputstr[1] == 'x' || inputstr[1] == 'X'))
    {
        if (inputstr[2] == '\0')
        {
            return (0);
        }
        for (i = 2; i < 11; i++)
        {
            if (inputstr[i] == '\0')
            {
                *intnum = val;
                /* return 1; */
                res = 1;
                break;
            }
            if (ISVALIDHEX(inputstr[i]))
            {
                val = (val << 4) + CONVERTHEX(inputstr[i]);
            }
            else
            {
                /* return 0, Invalid input */
                res = 0;
                break;
            }
        }
        /* over 8 digit hex --invalid */
        if (i >= 11)
        {
            res = 0;
        }
    }
    else /* max 10-digit decimal input */
    {
        for (i = 0; i < 11; i++)
        {
            if (inputstr[i] == '\0')
            {
                *intnum = val;
                /* return 1 */
                res = 1;
                break;
            }
            else if ((inputstr[i] == 'k' || inputstr[i] == 'K') && (i > 0))
            {
                val = val << 10;
                *intnum = val;
                res = 1;
                break;
            }
            else if ((inputstr[i] == 'm' || inputstr[i] == 'M') && (i > 0))
            {
                val = val << 20;
                *intnum = val;
                res = 1;
                break;
            }
            else if (ISVALIDDEC(inputstr[i]))
            {
                val = val * 10 + CONVERTDEC(inputstr[i]);
            }
            else
            {
                /* return 0, Invalid input */
                res = 0;
                break;
            }
        }
        /* Over 10 digit decimal --invalid */
        if (i >= 11)
        {
            res = 0;
        }
    }

    return (res);
}

/**
 * @brief  Get an integer from the HyperTerminal
 * @param  num: The inetger
 * @retval 1: Correct
 *         0: Error
 */
uint32_t GetIntegerInput(int32_t *num)
{
    uint8_t inputstr[16];

    while (1)
    {
        GetInputString(inputstr);
        if (inputstr[0] == '\0')
            continue;
        if ((inputstr[0] == 'a' || inputstr[0] == 'A') && inputstr[1] == '\0')
        {
            SerialPutString("User Cancelled \r\n");
            return (0);
        }

        if (Str2Int(inputstr, num) == 0)
        {
            SerialPutString("Error, Input again: \r\n");
        }
        else
        {
            return (1);
        }
    }
}

/**
 * @brief  Test to see if a key has been pressed on the HyperTerminal
 * @param  key: The key pressed
 * @retval 1: Correct
 *         0: Error
 */
uint32_t SerialKeyPressed(uint8_t *key)
{
    if (LL_UART_IsActiveFlag_RXBF(EVAL_COM0)) // EVAL_COM0为串口0传输
    {

        *key = LL_UART_ReceiveData(EVAL_COM0);
        //  printf("1\r\n");
        return (1);
    }
    //    else  if ( LL_UART_IsActiveFlag_RXBF( Blu_uart ) )   //用蓝牙传输
    //    {
    //        *key = LL_UART_ReceiveData( Blu_uart );
    //        return (1);
    //    }
    //    else if ( LL_UART_IsActiveFlag_RXBF( wifi_uart ) )   //用wifi传输
    //    {
    //        *key = LL_UART_ReceiveData( wifi_uart );
    //        return (1);
    //    }
    return (0);
}

/**
 * @brief  Get a key from the HyperTerminal
 * @param  None
 * @retval The Key Pressed
 */
uint8_t GetKey(void)
{
    uint8_t key = 0;

    /* Waiting for user input */
    while (1)
    {
        if (SerialKeyPressed((uint8_t *)&key))
            break;
    }
    return (key);
}

/**
 * @brief  Print a character on the HyperTerminal
 * @param  c: The character to be printed
 * @retval None
 */
void SerialPutChar(uint8_t c)
{
    while (!LL_UART_IsActiveFlag_TXBE(EVAL_COM0))
        ;
    LL_UART_TransmitData(EVAL_COM0, (uint32_t)c);
}

/**
 * @brief  Print a string on the HyperTerminal
 * @param  s: The string to be printed
 * @retval None
 */
void Serial_PutString(uint8_t *s)
{
    while (*s != '\0')
    {
        SerialPutChar(*s);
        s++;
    }
}

/**
 * @brief  Get Input string from the HyperTerminal
 * @param  buffP: The input string
 * @retval None
 */
void GetInputString(uint8_t *buffP)
{
    uint32_t bytes_read = 0;
    uint8_t c = 0;
    do
    {
        c = GetKey();
        if (c == '\r')
            break;
        if (c == '\b') /* Backspace */
        {
            if (bytes_read > 0)
            {
                SerialPutString("\b \b");
                bytes_read--;
            }
            continue;
        }
        if (bytes_read >= CMD_STRING_SIZE)
        {
            SerialPutString("Command string size overflow\r\n");
            bytes_read = 0;
            continue;
        }
        if (c >= 0x20 && c <= 0x7E)
        {
            buffP[bytes_read++] = c;
            SerialPutChar(c);
        }
    } while (1);
    SerialPutString(("\n\r"));
    buffP[bytes_read] = '\0';
}

/**
 * @brief  Calculate the number of pages
 * @param  Size: The image size
 * @retval The number of pages
 */
uint32_t FLASH_PagesMask(__IO uint32_t Size)
{
    uint32_t pagenumber = 0x0;
    uint32_t size = Size;

    if ((size % PAGE_SIZE) != 0)
    {
        pagenumber = (size / PAGE_SIZE) + 1;
    }
    else
    {
        pagenumber = size / PAGE_SIZE;
    }
    return (pagenumber);
}

/**
 * @brief  Disable the write protection of desired pages
 * @note   FM15L02x don't have write protection function,this function is null
 * @retval None
 */
void FLASH_DisableWriteProtectionPages(void)
{
}
